A 3-D Physical Simulation Experiment and Numerical Test on Multi-thermal Fluids Flooding After Huff and Puff

doi:10.11885/j.issn.1674-5086.2017.11.07.02

Abstract

Abstract: Aiming at the problems of injection multi-thermal fluids (the mixture of the high temperature of steam, hot water, nitrogen and carbon dioxide), such as more components, more complex mechanism, different from conventional steam injection etc., a 3-D physical simulation experiment and numerical test on multi-thermal fluids flooding after huff and puff is carried out. Based on similarity criterion and taking a typical block of heavy oil in bohai oilfield as the prototype, a scaled three-dimensional physical model is established firstly. And the corresponding law between multi-thermal fluids flooding production performance and the stage of heated chamber extending is researched by three-dimensional physical simulation experiment of multi-thermal fluids flooding after huff and puff by horizontal wells. Then, the numerical simulation software stars module was used to establish the numerical model, on the basis of history matching of physical model, three numerical tests of multi-thermal fluids flooding, steam flooding and steam compound nitrogen to carbon dioxide flooding are carried out, and the temperature field and production performance are contrast analyzed. Finally, the best injection production parameters of N heavy Oilfield are optimized by numerical tests. The results can provide guidance and reference for the multi-thermal fluids flooding plan design of heavy oilfield.

Key words: horizontal well, multi-thermal fluids, heavy oil reservoir, three dimensional experiment, parameter optimization

CLC Number:

TE34

LIU Dong, SU Yanchun, CHEN Jianbo, ZHANG Caiqi, PAN Guangming. A 3-D Physical Simulation Experiment and Numerical Test on Multi-thermal Fluids Flooding After Huff and Puff[J]. 西南石油大学学报(自然科学版), 2019, 41(1): 137-146.

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